/*
 * Copyright (c) 2010, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_WIN32IMAGE_WIN32_IMAGE_BUFFER_H_INCLUDED_
#define ALKES_WIN32IMAGE_WIN32_IMAGE_BUFFER_H_INCLUDED_

#include "alkes/win32image/internal.h"
#include "alkes/media/ImageBuffer.h"

enum CompressImageFormat
{
    AL_COMP_IMAGE_ORIGINAL = 0,
    AL_COMP_IMAGE_PNG = AL_FORMAT_PNG,
    AL_COMP_IMAGE_JPEG = AL_FORMAT_JPEG,
    AL_COMP_IMAGE_BITMAP = AL_FORMAT_BITMAP,
};

enum BitPerPixel
{
    AL_BPP_8    = 8,
    AL_BPP_16   = 16,
    AL_BPP_24   = 24,
    AL_BPP_32   = 32,
};

namespace alkes {

class AL_WIMG_EXPORT Win32ImageBuffer
    : public ImageBuffer
{
    AL_DECLARE_CLASS(Win32ImageBuffer, ImageBuffer);

public:
    static Win32ImageBuffer* create(const char* filepath);
    static Win32ImageBuffer* create(uint16_t width, uint16_t height, BitPerPixel bpp = AL_BPP_32, bool validate_alpha = false);
    static Win32ImageBuffer* create(uint16_t width, uint16_t height, PixelFormat format, bool write_only);

    virtual void getSize(uint16_t& width, uint16_t& height) const;
    virtual PixelFormat getPixelFormat() const;

    bool saveImage(const char* filepath, CompressImageFormat format);

protected:
    Win32ImageBuffer(void* impl);
    virtual ~Win32ImageBuffer();

    virtual void destroy();

    virtual void* onLockRect(const Rect& rect, uint32_t lock_mode, int32_t* pitch);
    virtual void onUnlockRect(const Rect& locked_rect);

private:
    void* impl_;
};

}

#endif
